FFmpeg
dcadct.h
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1 /*
2  * Copyright (C) 2016 foo86
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
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14  * Lesser General Public License for more details.
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19  */
20 
21 #ifndef AVCODEC_DCADCT_H
22 #define AVCODEC_DCADCT_H
23 
24 #include "libavutil/common.h"
25 
26 typedef struct DCADCTContext {
27  void (*imdct_half[2])(int32_t *output, const int32_t *input);
28 } DCADCTContext;
29 
30 av_cold void ff_dcadct_init(DCADCTContext *c);
31 
32 #endif
output
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
Definition: filter_design.txt:225
ff_dcadct_init
av_cold void ff_dcadct_init(DCADCTContext *c)
Definition: dcadct.c:358
av_cold
#define av_cold
Definition: attributes.h:90
DCADCTContext
Definition: dcadct.h:26
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
DCADCTContext::imdct_half
void(* imdct_half[2])(int32_t *output, const int32_t *input)
Definition: dcadct.h:27
input
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some input
Definition: filter_design.txt:172
common.h
int32_t
int32_t
Definition: audioconvert.c:56
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